https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116681
Bug ID: 116681
Summary: [12/13/14/15 Regression] ICE: in start, at
timevar.cc:491 with -ftime-report -std=c++20
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 59096
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59096&action=edit
auto-reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -ftime-report -std=c++20 testcase.C
testcase.C: In instantiation of 'struct reverse_iterator<int>':
testcase.C:27:35: required from here
27 | for (set::reverse_iteratorINT iter;;)
| ^~~~
testcase.C:3:44: internal compiler error: in start, at timevar.cc:491
3 | concept default_initializable = requires { new _Tp; };
| ^~~~~~~
0x2ef1bbe internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:517
0xf557d3 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1657
0x92fc85 timer::start(timevar_id_t)
/repo/gcc-trunk/gcc/timevar.cc:491
0x92fc85 timer::start(timevar_id_t)
/repo/gcc-trunk/gcc/timevar.cc:482
0x92fc85 timevar_start(timevar_id_t)
/repo/gcc-trunk/gcc/timevar.cc:476
0x10e4845 qualified_namespace_lookup
/repo/gcc-trunk/gcc/cp/name-lookup.cc:7424
0x10e599f lookup_qualified_name(tree_node*, tree_node*, LOOK_want, bool)
/repo/gcc-trunk/gcc/cp/name-lookup.cc:7387
0xf79b3e build_operator_new_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, tree_node**, tree_node**, tree_node*, tree_node*, tree_node**,
int)
/repo/gcc-trunk/gcc/cp/call.cc:5194
0x1069721 build_new_1
/repo/gcc-trunk/gcc/cp/init.cc:3465
0x106b8cc build_new(unsigned int, vec<tree_node*, va_gc, vl_embed>**,
tree_node*, tree_node*, vec<tree_node*, va_gc, vl_embed>**, int, int)
/repo/gcc-trunk/gcc/cp/init.cc:4068
0x117bece tsubst_expr(tree_node*, tree_node*, int, tree_node*)
/repo/gcc-trunk/gcc/cp/pt.cc:20767
0xfc20ad tsubst_valid_expression_requirement
/repo/gcc-trunk/gcc/cp/constraint.cc:1444
0xfc86f7 tsubst_simple_requirement
/repo/gcc-trunk/gcc/cp/constraint.cc:1478
0xfc86f7 tsubst_requirement
/repo/gcc-trunk/gcc/cp/constraint.cc:1693
0xfc86f7 tsubst_requires_expr
/repo/gcc-trunk/gcc/cp/constraint.cc:1833
0xfc8e2a tsubst_requires_expr(tree_node*, tree_node*, int, tree_node*)
/repo/gcc-trunk/gcc/cp/constraint.cc:1857
0x117ac05 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
/repo/gcc-trunk/gcc/cp/pt.cc:21868
0xfca29b satisfy_atom
/repo/gcc-trunk/gcc/cp/constraint.cc:2523
0xfca29b satisfy_constraint_r
/repo/gcc-trunk/gcc/cp/constraint.cc:2588
0xfca6d3 satisfy_normalized_constraints
/repo/gcc-trunk/gcc/cp/constraint.cc:2613
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r15-3558-20240910125013-gc726a664312-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --enable-libsanitizer
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r15-3558-20240910125013-gc726a664312-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20240910 (experimental) (GCC)
